. Transactions. e in a southwesterly direction to a point on the KansiMissouri line a little below the southern boundary of Bartoncounty. An important part of the field overlaps this line andextends down the northern side of the Missouri river, under-lying the greater part of Randolph, Howard, Boone and Audraincounties. In all, 34 counties produced coal during the year1903. Fig. 1 shows the position of the coal-fields in Missouri. Geological Features. The Coal Measure formations, all of the Carboniferous age,rest unconformable- upon the rocks of the sub-Carboniferousor Mississippian series, an
. Transactions. e in a southwesterly direction to a point on the KansiMissouri line a little below the southern boundary of Bartoncounty. An important part of the field overlaps this line andextends down the northern side of the Missouri river, under-lying the greater part of Randolph, Howard, Boone and Audraincounties. In all, 34 counties produced coal during the year1903. Fig. 1 shows the position of the coal-fields in Missouri. Geological Features. The Coal Measure formations, all of the Carboniferous age,rest unconformable- upon the rocks of the sub-Carboniferousor Mississippian series, and, in some cases, upon the rocks ofthe Devonian and Silurian ag From their outcrop on the eastern and southeastern bordersof the field, the Measures dip west to northwest at the rate of10 ft. per mile, reaching a maximum thickness estimated by * Presented at the Supplementary Session of the Institute in St. Report of the Missouri Geological Survey, 1894, p. 355. 904 Till! COAL-FIKLDS OK MISSOURI. Fig. Lower Windsor, Waverlyand Glasgow Coals Rich Hill. Bevler and Upper or• Big Windsor Coals ? Mendota, Macon City andBristle Ridge Coals A Lexington and Tebo Coals BORMAY 4 CO., Map of the Coal-Fields of Missouri. mi: 0OAL-FI1LD Ell. Mr. Arthur Winslow1 :it 1,900 ft. A section, embracing the successive formations from the basal sandstone i«> the argilla- »ue limestone cap-rock of the Ajrkoe, Maitland and Qnitman al-horizona in Nodaway county, consists ofinterbedded linn- •nes, Bands . Bhales, fire-clays and tin- coals themsebwhich in their fullest development are -. in number. The al-seams vary in thickness from 1 in. to 5 ft.,often thinningout an<l disappearing entirely. The limestones are absent inthe lower formations, but are quite prominent in the UpperMeasures. The Bhales, in their various phases t argillaceous,bituminous, calcareous and arenaceous, are most sandstones, although prominent in tin- marginal areas, arenot prominent in the
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
